51 lines
1.8 KiB
ArmAsm
51 lines
1.8 KiB
ArmAsm
/*
|
|
* Copyright (c) 2004 Suleiman Souhlal
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <machine/asm.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
.globl CNAME(_ctx_done)
|
|
.globl CNAME(abort)
|
|
|
|
ENTRY(_ctx_start)
|
|
ld %r2,8(%r14)
|
|
ld %r14,0(%r14)
|
|
mtlr %r14
|
|
blrl /* branch to start function */
|
|
mr %r3,%r15 /* pass pointer to ucontext as argument */
|
|
nop
|
|
bl CNAME(_ctx_done) /* branch to ctxt completion func */
|
|
/*
|
|
* we should never return from the
|
|
* above branch.
|
|
*/
|
|
nop
|
|
bl CNAME(abort) /* abort */
|
|
nop
|
|
|
|
.section .note.GNU-stack,"",%progbits
|